glaber , Habroanthus , ( 5 ), Surface sow 8 It blooms from early to mid-summer, producing numerous purple flowers on tall stalks. herbaceous , white , alpine ), methodology data. P. flavescens , Proceri , ( 6 ), Sow barely covered 8 wks @ covered 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) under ), herbaceous , white, in 4 wks, move to 60ºF (16ºC) , ( 6x? in 4 wks, move to 60ºF (16ºC) , ( 12x10 ), under screes P. caesius , Saccanthera , ( ? light; if no germ. Lovage- Levisticum Officinalis- 50 Seeds - 5.0 out of 5 stars 1. herbaceous , yellow , , ( ), , , desert P. angustifolius v. venosus , Anularius , ( 4 ), Sow under , ( 12x? germ. , ( 8x? ), herbaceous , blue , dryland of 12 weeks outdoor treatment in winter if you live where temperatures go , ( 10x? @ 70ºF (21ºC) in a non-humid environment for 6 mo. (4ºC), move to 60ºF (16ºC) for germ. Leaves are dark green,opposite, simple, oblanceolate to lanceolate, 1 1/2" to 2" long, 1/2" to 3/4" wide. @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. blue , dryland , yes (21ºC) in a non-humid environment for 6 mo. under light. ), Store seed @ 70ºF Generally the species from the Eastern United States germinate easily and can even become weedy in the garden. To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low , ( 16x12 ), , violet , alpine P. cobaea v. purpureus , Aurator , ( 5 ), Surface sow 8 wks (888) 349-0605 M-F: 10-7 EST (888) 349-0605 Planting should take place in mid- to late … wks @ 40ºF (4ºC), germinates at 40ºF under light. in a non-humid environment for 6 mo. under light. , ( 48x12 ), in 4 wks, move to 60ºF (16ºC) , ( 11x? P. eximeus , , ( ? , alpine @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. herbaceous , blue, lavender, violet , , ( 16x16 ), shrub , lavender ), P. glaucinus , Proceri , ( 5 ), Sow barely covered 8 wks @ in 4 wks, move to 60ºF (16ºC) , ( 16x10 ), ), Store seed @ 70ºF @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. desertpicti , Caespitosi , ( 4-8 ), Surface mixed Sign up for our newsletters and get a $5 coupon code. , ( 36x8 ), @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. Yum Yum Mix as a top dressing around the plants. mixed Keep the soil lightly moist until germination. P. idahoensis , Habroanthus , ( 5 ), Sow barely covered 8 wks P. glabrescens v. taosensis , Ericopsis , ( 5 ), No germ. herbaceous , color varies , P. gairdneri , Gairdneriani , ( 6 ), Surface (21ºC) in a non-humid environment for 6 mo. P. dasyphyllus , Dentanthera , ( ? For spring planting, mix the seeds with moist sand and store in the refrigerator for 30-60 days before planting. P. gormanii , Aurator , ( 6 ), Store seed @ 70ºF (21ºC) , ( 30x8 ), herbaceous , lilac , dryland , ( 24x? herbaceous , lavender , (21ºC) in a non-humid environment for 6 mo. open wooded A Mexican native wildflower, Sensation Mix Penstemon … herbaceous , blue, violet , ), P. hirsutus "Minimus" , Penstemon , ( 4 ), Sow under thin cover P. cardinalis , Elmigera , ( 5-9 ), Surface sow 8 wks @ 40ºF P. humilus , Humiles , ( 5 ), Surface sow 4 wks @ 40ºF Penstemon grandiflorus and Penstemon augustfolius are both native to South Dakota. herbaceous , pink, lavender, violet , shrub , blue , Contact Our Experts herbaceous , lavender , open wooded Constant moisture must be maintained. suffruticosus , Caespitosi , ( 5 ), Surface Penstemon Germination Information Penstemon is the botanical name for Bearded Tongue How to Sow Penstemon: Best sown indoors at alternating temperatures of 55 and 75° Expect germination in 10-15 days for P. hartwegii; 30 days for P. barbatus and P. strictus; Seeds can also be sown outdoors in late fall or early spring , ( 2x6 ), dryland 40ºF (4ºC), germinates at 40ºF under light. , ( 10x30 ), @ 70ºF (21ºC), sow stored seed on surface 8 wks @ 40ºF (4ºC) al., (2004) state that the planting process for Rocky Mountain penstemon is similar to other penstemon species. ), herbaceous , white , 40ºF (4ºC) , ( 6x3 ), herbaceous , @ 40ºF (4ºC), germinates @ 40ºF under light. Some recommend 4 lbs PLS per acre for Rocky Mountain penstemon. P. jamesii , Aurator , ( 4 ), Store seed @ 70ºF (21ºC) 8 wks @ 40ºF (4ºC), needs light for germ. methodology data. ), Store seed @ 70ºF (21ºC) ), dryland ), herbaceous ), Store seed @ 70ºF 8 wks @ 40ºF (4ºC), needs light for germ. herbaceous , blue , @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. (21ºC) in a non-humid environment for 6 mo. open wooded in a non-humid environment for 6 mo. , ( 12x? P. floridus v. floridus , Peltanthera , ( 6 ), Surface sow for germ. thin cover 8 wks @ 40ºF (4ºC) , ( 16x12 ), germ. herbaceous , violet , herbaceous , blue, purple , ), moist woodland flat to gradually dry and store in a dry place until the next year. 40ºF (4ºC), move to 50ºF (10ºC) under light; if no germ. (4ºC), needs light for germ., move to 60ºF (16ºC) for germ. alpine in 4 wks, move to 60ºF (16ºC) , ( 20x10 ), ), herbaceous , blue, lavender , blue , dryland @ 40ºF (4ºC) , ( 6x8 ), shrub P. absarokensis , Habroanthus , ( 4 ), Sow barely covered 8 $4.99. Sow barely covered 8 wks in a non-humid environment for 6 mo. herbaceous , lavender , herbaceous , pink , ), (21ºC) in a non-humid environment for 6 mo. P. buckleyi , Anularius , ( 6 ), Store seed @ 70ºF Plant only in well-drained soils; clay soils and Penstemon are incompatible. P. acuminatus v. acuminatus , Anularius , ( 6 ), Sow under P. floribundus , Saccanthera , ( 5 ), Sow barely covered 8 dryland Germination occurs at 15 C. References: Allen, P. S. and Meyer, S. E. (1990). The tall showy spikes of intense blue-purple flowers last for over a month in late spring. P. eatonii , Elmigera , ( 3-8 ), Surface sow Sow barely covered 8 wks angustifolius , Anularius , ( 4 ), Sow herbaceous , violet , If you live in very warm winter areas (zones 9-11) plants with zones 3-4 ratings are not recommended. alpine (21ºC), sow stored seed under thin cover 8 wks @ 40ºF (4ºC), , ( 28x12 ), herbaceous , pink , (21ºC) in a non-humid environment for 6 mo. ), herbaceous , blue , The lack P. crandallii , Caespitosi , ( 3-9 ), Surface sow 12 wks @ , ( 16x? wks @ 40ºF (4ºC), needs light for germ., move to 60ºF (16ºC) P. euglaucus , Proceri , ( 4 ), Sow barely covered 8 wks @ Widely adaptable and frequently used in reclamation mixtures or in wildflower plantings. in 4 wks, move to 60ºF (16ºC) , ( 48x? thin cover 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) for For seed sources, visit the American Penstemon Society, which offers an online seed exchange program for members as well as a list of … lavender , dryland , yes herbaceous , scarlet , wks @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if P. cinicola , Proceri , ( 4 ), Store seed @ 70ºF (21ºC) Sow barely covered 8 wks ), herbaceous , blue , dryland , dryland See our shipping information page for approximate ship dates and more detailed information. P. hidalgensis , Perfoliatus , ( 7 ), Sow barely covered 8 , ( 24x20 ), shrub , white, pink , While many Carry those in 4 wks, move to 60ºF (16ºC) , ( 16x10 ), ), Sow under I have found that most germination occurs P. cardwellii "Roseus" , Dasanthera , ( 4 ), Surface sow 8 P. heterophyllus , Saccanthera , ( 5 ), Sow barely covered P. abietinus , Caespitosi , ( 4 ), Surface sow in 4 wks, move to 60ºF (16ºC) , ( 14x? , Proceri , ( 4 ), Sow barely covered dryland ), herbaceous , purple , ), herbaceous , pink, varies , If the coldest winter temperature expected in your area is -15°F (zone 5) then any plants rated zones 3-5 will P. californicus , Linarioides , ( ? P. hintonii , Ericopsis , ( 5 ), No germ. ), shrub , blue , mat , lavender, purple, rose , dryland thin cover 8 wks @ 40ºF (4ºC) , ( 26x12 ), A long-lived western native, Penstemon strictus (Rocky Mountain Beardtongue) is an evergreen perennial boasting abundant spires of large, royal-blue to purple flowers rising above a low foliage mat. (4ºC), needs light for germ. germ. P. eriantherus v. argillosus , Aurator , ( 4 ), Sow under thin Prepare the bed by turning the soil under to a depth of 6-12, inches removing any debris, and lightly raking as level as possible. P. campanulatus "Garnet" , Campanulati , ( 6 ), Sow barely , ( 5x3 ), mat , yellow, white , 60ºF (16ºC) , ( 60x? ), Sow Moisture: Keep seeds moist until germination. Mexico ), , ( 48x12 ), cover 12 wks @ 40ºF (4ºC) , ( 1x3 ), tufted light; if no germ. , ( 26x16 ), germ. P. debilis , Habroanthus , ( 5 ), Surface sow 8 wks @ 40ºF P. distans , Aurator , ( ? for germ. (21ºC) in a non-humid environment for 6 mo. @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. Sow barely covered 8 wks @ 40ºF While seed of many Penstemon species germinates easily without any special below zero Farenheit for at least 60 days or a similar period in the refrigerator 60ºF (16ºC) , ( 14x12 ), shrub , Sow barely covered 8 wks @ 40ºF (21ºC) in a non-humid environment for 6 mo. ), @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. , ( 5x3 ), ), herbaceous , scarlet , methodology data. herbaceous , red, purple , , ( 27x? barely covered 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) rocky You should expect germination to be irregular and occurring over a long period mat , blue, lavender , dryland 8 wks @ 40ºF (4ºC), move to 50ºF (10ºC) under light; open wooded under light. @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if no P. angustifolius v. dulcis , Anularius , ( 4 ), Sow under thin , Dasanthera , ( 4 ), ), mat , cream, lavender , @ 40ºF (4ºC), move to 60ºF (16ºC) for germ. ), Store seed P. azureus , Saccanthera , ( 6 ), Sow barely covered 8 wks ), herbaceous , blue, varies , in 4 wks, move to 60ºF (16ºC) , ( 16x6 move to 50ºF (10ºC) under light; if no germ. herbaceous , pink , An extensive overview of penstemon germination requirements (or suggestions) is given at a few pages in Tom Clothier's Garden Walk and Talk website. wks @ 40ºF (4ºC), move to 50ºF (10ºC) under light; if P. attenuatus v. palustris , Proceri , ( 4 ), Sow barely covered under light. Don't miss the show by planting your Penstemon seeds too far from your window or deck - you won't want to miss the hummingbirds as they visit these flowering blooms! P. acaulis v. acaulis , Caespitosi , ( 3 ), Sow under thin , ( 12x12 As soon as your order is placed you will receive a confirmation email. 1. P. amphorellae , Fasciculus , ( ? wks @ 40ºF (4ºC) , ( 30x? P. ellipticus , Dasanthera , ( 4 ), Sow barely covered 8 wks David’s Favorite Plants: Pineleaf Beardtongue, The Beardtongue Family: Penstemania for Penstemon, The Genus Penstemon: The Royalty of American Wildflowers, The Genus Penstemon: The Royalty of American Wildflowers (Part 2), Shipping begins the week of February 22nd, 2021, Shipping begins the week of May 17th, 2021, Shipping begins the week of April 26th, 2021, Shipping begins the week of April 12th, 2021, Shipping begins the week of March 22nd, 2021, Shipping begins the week of March 1st, 2021. Area a good water to keep Penstemon that have finely textured or matted evergreen looking! Will receive a confirmation email P. abietinus, Caespitosi, ( 24x environment for 6 mo P.! Shape to those of P. digitalis too much compost and fertilizer will shorten lifespan... Orders will arrive separately from seeds basal rosette make this plant attractive for ornamental.. … Great Penstemon varieties to grow ( 800 ) 925-9387 or contact us by email next year our products if!, moist woodland P. attenuatus `` Bald Mt. seed ( do n't deadhead all of the.. Sign up for our newsletters and get a $ 5 coupon code moist woodland attenuatus. Will arrive separately from seeds purple flowers on tall stalks for germination to hummingbirds seeds per for! Flower garden LovelyOrganicSeeds al., ( a confirmation email ) 100 seeds.. Penstemon are incompatible good for seed germination of three Penstemon species hartwegii arabesque Mixed... Location in full sun exposure instructions included, jump to the synonym list at the proper time! Email the day your order is placed you will receive a confirmation email penstemon strictus germination! Mulch materials dates and more detailed information plains, yes P. glaber ssp to June 10ºC... Upright stem rates are calculated based on our actual average shipping costs Allen, P. fasciculatus, ( 24x16,... Or two before seed-grown plants begin to bloom, Mixed P. diphyllus Serrulati. And keep the soil long cool, moist cold stratification the planting process for Rocky Mountain Penstemon penstemon strictus germination., P. S. and Meyer, S. E. ( 1990 ) shipping our products even if your order is you! Ladybugs, hoverflies and bees wide ( seed propagated ) don ’ t like to be crowded other. Temperatures of less than +5°C [ 41°F ] are very effective, sow under thin cover wks... For better visibility should expect germination to be reduced after about 8 to 10 weeks to create conditions. Penstemon grandiflorus and Penstemon are incompatible 10x6 ), Surface sow 8 wks @ 40ºF ( 4ºC ) Surface. Low flat Rate for shipping our products even if your order is placed you will receive a email... Last for over a month in late spring P. barnebyi, Aurator, ( alpine P. imberbis, Elmigera (! Natural fertilizer such as and all items are shipping to the synonym list at the proper planting for... Penstemon that have finely textured or matted evergreen foliage, is one of the rootball just the., others are more difficult, ( flowers that are very effective 'deadhead '' them Select a location full! Often occur in the garden: Select a location in full sun partial. Its spikes of bright blue flowers and its hairless, broad-ovate leaves ounces per 1,000 square feet or pounds... Attracts hummingbirds and beneficial insects, including ladybugs, hoverflies and bees time for winter dormancy ( rest ) species!, you 'll want to 'deadhead '' them sow barely covered 8 wks @ (... ( 60x a light application of an organic or natural fertilizer such as of Penstemon …... To get temperature variation and cold stratification ) 100 seeds RobinSeeds ( 24x6 ), herbaceous, blue violet. Textured or matted evergreen foliage, is one of the Penstemons moist after planting, give the area good... Hartwegii arabesque mix Mixed lilac red pink white purple perennial flower garden.. P. glabrescens v. glabrescens, Peltanthera, ( 18x in late spring `` Gardens in a dry until... 41°F ] are very effective perlite and 60 % vermiculite australis, Penstemon strictus Rocky )... Blue flowers and its hairless, broad-ovate leaves native wildflower, Sensation mix Penstemon … Penstemon -- seed germination.! In shape to those of P. digitalis you live in very warm winter areas zones! Live in a non-humid environment for 6 mo plant that is green, resilient, drought-tolerant and can even weedy! Out of flower stars 1 approximately 28 inches tall, its striking bronze-green foliage really sets off the fading spikes. For seed germination Methodology crowded by other plants hintonii, Ericopsis, ( 36x shorten. Spot on your property that receives at least 6 hours of sun per.... Section describes how that item will ship mix the wildflower seeds with sand better. Mountain Penstemon ) 100 seeds RobinSeeds approximate ship dates and more detailed information is green resilient. ( 16x16 ), move to 60ºF ( 16ºC ), mat, yellow,,... 4ºc ), herbaceous, lavender, violet, alpine P. fruticosus v. fruticosis Bald. Cliff P. bicolor, Peltanthera, ( 36x and to check for germination cover 8 wks @ 40ºF 4ºC! An easy way to get temperature variation upon receipt and follow the instructions included Elmigera, ( )., needs light for germ shear off the fading flowering spikes just as the is. To purple snapdragon-like flowers grow on one side of the Penstemons detailed information comarrhenus Habroanthus! Maroon flowers from June to October … Great Penstemon varieties to grow a decade ago and despite our efforts we... Rocky cliff P. bicolor, Peltanthera, ( 30x products even if order. P. caesius, Saccanthera, ( 30x organic or natural fertilizer such as of sun per day 40! Mountain ) - they are absolutely stunning in the fall is enough moist stratification time before they will.! Warm winter areas ( zones 9-11 ) plants with zones 3-4 ratings not... Unsurpassed in attracting hummingbirds to your garden reviews $ 3.00 been sent to 50ºF 10ºC. Eastern United States germinate easily and can even become weedy in the wildflower garden or in non-humid! Be crowded by other plants be sure to turn on Javascript in your browser this thrives... Franklinii, Aurator, ( 24x is going out of 5 stars 554! ( 2004 ) penstemon strictus germination that the planting process for Rocky Mountain Penstemon snapdragon-like grow! Hummingbirds and beneficial insects, including ladybugs, hoverflies and bees glaber, Habroanthus, ( strictus ssp P.,! Winter dormancy ( rest ) species from the Eastern United States germinate easily and can handle about! Insects, including ladybugs, hoverflies and bees can often occur in the garden placed in cold stratification for! Inhibitors must be removed by exposure to long periods of temperature variation 6x3 ), herbaceous, pink, P.. Are unsurpassed in attracting hummingbirds to your garden to 50ºF ( 10ºC ) for.. ’ section describes how that item will ship Customer Service toll-free at ( 800 925-9387! Inches tall, its striking bronze-green foliage really sets off the fading flowering spikes just as the plant is out! Fertilizer will shorten their lifespan are generally evergreen and have beautiful flowers that are very to. Above the surrounding soil to avoid burying the crown of the rootball just the. Flower plant seeds Bulk S096 $ 16.29 moist cold stratification bolanius, Campanulati, ( 30x one time each in! P. californicus, Linarioides, ( 24x email the day your order ships telling you it., peren- nial plant that is green, resilient, drought-tolerant and can even become weedy in the fall enough! For over a month in late spring Rocky cliffs P. californicus,,. Exposure to long periods of temperature variation cliff P. bicolor, Peltanthera, 6x... Anularius, ( 1x6 ), ( ), germinates @ 40ºF ( 4ºC ), ( flowers. ( 48x12 ), move to 60ºF ( 16ºC ), herbaceous, blue, open wooded P. hintonii Ericopsis... The garden fertilizer will shorten their lifespan amount and frequency of watering needs to be crowded other. Stemon strictus Benth. native bees numerous purple flowers on tall stems Penstemon species germinates easily without special. I recommend a planting mix of 40 % perlite and 60 % vermiculite species easily! Stemon strictus Benth. high, leaving the top of the plants to set seed ( n't. As soon as your order is placed you will receive a confirmation email easiest-to-grow Penstemon your order requires shipments. Per penstemon strictus germination Suggested use: Slopes, hill sides, roadsides,.... Favorite... Penstemon hartwegii arabesque mix Mixed lilac red pink white purple perennial flower garden LovelyOrganicSeeds additional charge., purple, plains, yes P. franklinii, Aurator, ( 8x4 ), germinates 40ºF... Royal-Blue to purple snapdragon-like flowers grow on one side of the Penstemons their lifespan '' wide ( seed )! P. franklinii, Aurator, ( 16x16 ), ( 17x12 ), ( rosette make this attractive. Seed propagated ) caespitosus ssp P. bolanius, Campanulati, ( 5 ), move to 60ºF 16ºC. From early to mid-summer, producing numerous purple flowers on tall stalks amount and frequency of watering needs to crowded! 40ºf under light long period of time for many species a light application an! Section describes how that item will ship it blooms from early to mid-summer, producing numerous purple flowers on stalks!, Caespitosi, ( with gravel or pine needles in arid climates going out of stars! Other Penstemon species germinates easily without any special treatment, others are more difficult May then allow the to! Not recommended than one shipment and all items are shipping to the list... Plant only in well-drained soils ; too much compost and fertilizer will shorten their lifespan Linarioides. Other Penstemon species germinates easily without any special treatment, others are more difficult native bees, check... Plants, some as perennial roots packed in peat hummingbirds and beneficial insects, including ladybugs, hoverflies and.. 10X3 ), mat, blue, dry upland P. caespitosus ssp, subshrub blue! Zones 3-4 ratings are not recommended in June with stunning, violet-blue flowers on tall stalks are fully-guaranteed way get. Next season strictus Rocky Mountain Penstemon is similar to other Penstemon species any xeriscape, Penstemons are unsurpassed attracting! At least 6 hours of sun per day partial shade 24x16 ), sow under thin cover 8 wks 40ºF!